he runs very -- ranks high with latino voters. fairly big african-american concentration here. growing asian-american concentration here. democrats are much better in the outreach there. >> hispanics are acoted voting bloc making up 27% of the population. they could be a deciding factor in colorado as well. former mayor of denver now heads the hispanic chamber of commerce. >> right now, 20% is high percentage that the population could decide the election in colorado. >> kbno radio, colorado's oldest spanish language station, general manager says romney's tough stand on immigration in the primary may lead to loss of gapes made by previous republican leaders. >> there is a danger to take that stance on that side, will be counterproductive for a number of years from this point forward. >> still, the state is a solid tossup. >> i'm voting for mitt romney. because i think he is probably the best candidate to solve our fiscal problems, which i think are the biggest problems the country faces today. >> colorado is the biggest prize in the mountain west. with nine electoral votes. in 2